From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mo-p05-ob.rzone.de ([81.169.146.182]:35724 "EHLO mo-p05-ob.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751838Ab3HFFY3 (ORCPT ); Tue, 6 Aug 2013 01:24:29 -0400 Message-ID: <5200888A.4030109@gmx.net> Date: Tue, 06 Aug 2013 07:24:26 +0200 From: Arne Jansen MIME-Version: 1.0 To: Tomasz Chmielewski CC: "linux-btrfs@vger.kernel.org" Subject: Re: Heavy memory leak when using quota groups References: <20130806003505.7d7feff6@wpkg.org> In-Reply-To: <20130806003505.7d7feff6@wpkg.org> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 05.08.2013 18:35, Tomasz Chmielewski wrote: >> I am trying to use qgroups >> functionality & with a basic random-write workload, it constantly >> keeps leaking memory & within few minutes of IO, there is either >> out-of-memory killer trying to kill some tasks or there are >> page-allocation failures that btrfs or other kernel module >> experiences. > > FYI, I just saw something similar with 3.10 on a server with 32 GB RAM: > > The result was a frozen server and a need to hard reset. > What do I have to do to reproduce it here? How do you generate the load? What is the disk setup, what the qgroups setup? Thanks, Arne